MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple PDF link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://dent-pro.cz/pic/file/lozukologij.pdf In PDF document text
- http://builderall.info/userfiles/file/98380446318.pdfIn PDF document text
- http://373113.linker.tw/files/kutisikat.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210915220601.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/75c5de7ee57a3b40a9493932e59c0a42/2920738316.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/tetok.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161454fb3f0607---worut.pdfIn PDF document text
- https://testgit.begurholidays.com/uploads/userfiles/files/27676111113.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144762b38fb6---7141038781.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021091803014173499.pdfIn PDF document text
- http://koppeika.ru/userfiles/file/pojuzulal.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145fe73577f6---gaxiwaki.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/rofivugijifesexawitosowi.pdfIn PDF document text
- http://mitroc.com/userfiles/file/misemupolajo.pdfIn PDF document text
- http://imaginove.eu/data/Files/wedesofokowiliji.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/89911725141.pdfIn PDF document text
- http://alajwakh.com/uploaded_files/userfiles/files/nezetofujimibeseradakat.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b348c4ae2d---6319117502.pdfIn PDF document text
- http://geobigoni.it/userfiles/files/lopaxaxew.pdfIn PDF document text
- http://nhasachthunam.com/upload/files/68419110048.pdfIn PDF document text
- https://mamalight.net/business_school/uploads/file/61127959205.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/46651566265.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/41b98033e2ad512b7bca8a2ac980c3f6/220164982.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/vopanimokovokepukoli.pdfIn PDF document text
- https://artedelvalle.cl/gal/files/file/benab.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=best+escape+room+games+iosPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB71 | 16104 bytes |
SHA-256: ef5882fde3e828d175faadf02becaae2c5dc5d072d64e2b7ef7758aa16f327f1 |
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font_01_sfnt_off0000e4af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AF | 10620 bytes |
SHA-256: f74fae640efbfb2717f991ff03e1ef8304cdd44a35e713b0173946d5c8b399f9 |
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font_02_sfnt_off0000fd11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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